<?php
namespace Aws\Crypto;
use Psr\Http\Message\StreamInterface;
interface AesStreamInterface extends StreamInterface
{
/**
* Returns an identifier recognizable by `openssl_*` functions, such as
* `aes-256-cbc` or `aes-128-ctr`.
*
* @return string
*/
public function getOpenSslName();
/**
* Returns an AES recognizable name, such as 'AES/GCM/NoPadding'.
*
* @return string
*/
public function getAesName();
/**
* Returns the IV that should be used to initialize the next block in
* encrypt or decrypt.
*
* @return string
*/
public function getCurrentIv();
}